In this interactive learning object, the learner practices sizing a tank-type water heater for one- and two-family residences, townhouses, and apartments with individual water heaters.

2D and 3D views used to help convey information from a drafter or designer to the welder are provided. This activity will focus on a mounting wedge. A short quiz to test your ability to correctly read this information follows.

In this learning activity you'll describe customer requirements and specifications as they relate to "Quality" in an organization.

In this document you'll review drill grinding procedures and web thinning diagrams.